A new international study finds that middle-aged Americans are lonelier, more depressed, and experiencing worse memory and health than earlier generations. Researchers say growing financial strain, ...

Ancient encounters between humans and the mysterious Denisovans are still shaping people today. By analyzing genomes from populations across the Pacific, researchers uncovered evidence that the ...

A three-year study of nearly 4,000 adults ranging from age 19 to 94 found that brain health can improve at any age, ...

A bold claim that the universe’s accelerating expansion was an illusion has been put to the test—and failed. Researchers ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars ...

A newly identified crocodile species nicknamed “Lucy’s hunter” prowled Ethiopia’s rivers when Lucy’s species walked the Earth ...

Scientists have uncovered a surprising new genetic cause of a rare movement disorder after analyzing nearly 3,000 patients ...

A new treatment that blocks an aging-related protein restored lost cartilage in old mice and helped prevent arthritis after ...

A child psychologist says grandparents are more important than ever as youth mental health challenges continue to rise. He argues that children need supportive relationships, meaningful conversations, ...

Alaska’s glaciers are proving to be highly sensitive to warming temperatures. Using radar satellites to monitor more than ...

Just 90–120 minutes of strength training a week may deliver some of the biggest long-term health rewards, according to a ...

A tiny set of ancient genetic “switches” may have played a surprisingly large role in making human language possible.